T-TESTS AND ANOVA

 

  • Summarize your interpretation of the ANOVA statistics provided in the Week 5 ANOVA Exercises SPSS Output document.

    Note: Interpretation of the ANOVA output should include identification of the -value to determine whether the differences between the group means are statistically significant.
    Be sure to accurately evaluate each of the results presented (descriptives, ANOVA results, and multiple comparisons using post-hoc analysis)

Week

 

5 ANOVA Exercises SPSS Output 

Descriptives

Overall satisfaction, material well-being

N Mean Std. Deviation Std. Error

95% Confidence Interval for

Mean

Minimum Maximum

Lower Bound Upper Bound

No Housing Problem 367 12.71 2.353 .123 12.47 12.95 4 16

One Housing Problem 264 11.97 2.588 .159 11.66 12.28 4 16

Two or More Housing

Problems

304 10.57 2.594 .149 10.28 10.86 4 16

Total 935 11.80 2.658 .087 11.63 11.97 4 16

Test of Homogeneity of Variances

Overall satisfaction, material well-being

Levene Statistic df1 df2 Sig.

2.109 2 932 .122

ANOVA

Overall satisfaction, material well-being

Sum of Squares df Mean Square F Sig.

Between Groups 771.072 2 385.536 61.674 .000

Within Groups 5826.111 932 6.251

Total 6597.183 934

Multiple Comparisons

Overall satisfaction, material well-being

Tukey HSD

(I) Housing Problems (J) Housing Problems Mean

Difference (I-J) Std. Error Sig.

95% Confidence Interval

Lower Bound Upper Bound

No Housing Problem One Housing Problem .739* .202 .001 .27 1.21

Two or More Housing

Problems

2.139* .194 .000 1.68 2.59

One Housing Problem No Housing Problem -.739* .202 .001 -1.21 -.27

Two or More Housing

Problems

1.401* .210 .000 .91 1.89

Two or More Housing

Problems

No Housing Problem -2.139* .194 .000 -2.59 -1.68

One Housing Problem -1.401* .210 .000 -1.89 -.91

*. The mean difference is significant at the 0.05 level.

 

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